2-(Chloromethyl)-3-(difluoromethyl)-6-methoxy-4-(trifluoromethyl)pyridine
6-(Bromomethyl)-4-(difluoromethyl)-2-methoxy-3-(trifluoromethyl)pyridine
2-(Chloromethyl)-3-(difluoromethyl)-5-methoxy-4-(trifluoromethyl)pyridine
2-(Bromomethyl)-4-(difluoromethyl)-3-methoxy-6-(trifluoromethyl)pyridine